DE3214949C2 - - Google Patents

Info

Publication number
DE3214949C2
DE3214949C2 DE3214949A DE3214949A DE3214949C2 DE 3214949 C2 DE3214949 C2 DE 3214949C2 DE 3214949 A DE3214949 A DE 3214949A DE 3214949 A DE3214949 A DE 3214949A DE 3214949 C2 DE3214949 C2 DE 3214949C2
Authority
DE
Germany
Prior art keywords
reflector
antenna
point
aperture plane
auxiliary
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE3214949A
Other languages
German (de)
English (en)
Other versions
DE3214949A1 (de
Inventor
Fumio Watanabe
Yoshihiko Tokio/Tokyo Jp Mizuguchi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KDDI Corp
Original Assignee
Kokusai Denshin Denwa KK
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kokusai Denshin Denwa KK filed Critical Kokusai Denshin Denwa KK
Publication of DE3214949A1 publication Critical patent/DE3214949A1/de
Application granted granted Critical
Publication of DE3214949C2 publication Critical patent/DE3214949C2/de
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
    • H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
    • H01Q19/18—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces having two or more spaced reflecting surfaces
    • H01Q19/19—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces having two or more spaced reflecting surfaces comprising one main concave reflecting surface associated with an auxiliary reflecting surface
    • H01Q19/192—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces having two or more spaced reflecting surfaces comprising one main concave reflecting surface associated with an auxiliary reflecting surface with dual offset reflectors

Landscapes

  • Aerials With Secondary Devices (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
DE19823214949 1981-04-27 1982-04-22 Mehrfachreflektorantenne Granted DE3214949A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56062522A JPS57178402A (en) 1981-04-27 1981-04-27 Multireflex mirror antenna

Publications (2)

Publication Number Publication Date
DE3214949A1 DE3214949A1 (de) 1982-11-11
DE3214949C2 true DE3214949C2 (US06197789-20010306-C00002.png) 1991-04-25

Family

ID=13202596

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19823214949 Granted DE3214949A1 (de) 1981-04-27 1982-04-22 Mehrfachreflektorantenne

Country Status (4)

Country Link
US (1) US4464666A (US06197789-20010306-C00002.png)
JP (1) JPS57178402A (US06197789-20010306-C00002.png)
DE (1) DE3214949A1 (US06197789-20010306-C00002.png)
GB (1) GB2098806B (US06197789-20010306-C00002.png)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2154067B (en) * 1984-02-09 1988-02-17 Gen Electric Plc An earth terminal for satellite communication systems
US4833484A (en) * 1984-02-09 1989-05-23 The General Electric Company, P.L.C. Earth terminal for satellite communication
JPS60178709A (ja) * 1984-02-24 1985-09-12 Nippon Telegr & Teleph Corp <Ntt> オフセツト複反射鏡アンテナ
JPS61117906A (ja) * 1984-11-13 1986-06-05 Nec Corp アンテナ装置
JPS61169004A (ja) * 1985-01-22 1986-07-30 Mitsubishi Electric Corp アンテナ装置
JPS6240805A (ja) * 1985-08-16 1987-02-21 Mitsubishi Electric Corp 複反射鏡アンテナ装置
DE3533204A1 (de) * 1985-09-18 1987-03-19 Standard Elektrik Lorenz Ag Antenne mit einem hauptreflektor und einem hilfsreflektor
JPH06103803B2 (ja) * 1987-05-19 1994-12-14 三菱電機株式会社 アンテナ装置
GB8813656D0 (en) * 1988-06-09 1988-07-13 British Aerospace Spacecraft antenna system
US5459475A (en) * 1993-12-22 1995-10-17 Center For Innovative Technology Wide scanning spherical antenna
US5485168A (en) * 1994-12-21 1996-01-16 Electrospace Systems, Inc. Multiband satellite communication antenna system with retractable subreflector
US6198455B1 (en) * 2000-03-21 2001-03-06 Space Systems/Loral, Inc. Variable beamwidth antenna systems
WO2015116705A1 (en) * 2014-01-28 2015-08-06 Sea Tel, Inc. (Dba Cobham Satcom) Tracking antenna system having multiband selectable feed
CN109408986B (zh) * 2018-11-01 2022-11-18 中国电子科技集团公司第五十四研究所 一种椭圆波束卡塞格伦天线的设计方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1303670B (US06197789-20010306-C00002.png) * 1966-04-29 1972-05-31 Rohde & Schwarz
JPS5119742B1 (US06197789-20010306-C00002.png) * 1970-10-17 1976-06-19
US3922682A (en) * 1974-05-31 1975-11-25 Communications Satellite Corp Aberration correcting subreflectors for toroidal reflector antennas
US4042933A (en) * 1976-03-19 1977-08-16 The United States Of America As Represented By The Secretary Of The Navy Antenna line scan system for helicopter wire detection
JPS52140254A (en) * 1976-05-18 1977-11-22 Mitsubishi Electric Corp Antenna unit
US4166276A (en) * 1977-12-05 1979-08-28 Bell Telephone Laboratories, Incorporated Offset antenna having improved symmetry in the radiation pattern
US4339757A (en) * 1980-11-24 1982-07-13 Bell Telephone Laboratories, Incorporated Broadband astigmatic feed arrangement for an antenna
US4355314A (en) * 1980-11-28 1982-10-19 Bell Telephone Laboratories, Incorporated Wide-field-of-view antenna arrangement

Also Published As

Publication number Publication date
US4464666A (en) 1984-08-07
JPH0359603B2 (US06197789-20010306-C00002.png) 1991-09-11
JPS57178402A (en) 1982-11-02
GB2098806A (en) 1982-11-24
GB2098806B (en) 1984-09-12
DE3214949A1 (de) 1982-11-11

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition